Synopsis : 

Now you can really get to grips with machine code on your Amstrad. Written by Clive Gifford and Scott Vincent, two expert programmers who've proved in previous books they can write dear, easy-to-understand English, this book is a certain path to machine code mastery. The book also includes an invaluable collection of machine code routines (including pixel by pixel scrolling in four directions) which you can incorporate into your BASIC programs, even if you haven't a due how they work! These 'pre-packaged' machine code routines are designed to make creating arcade and animated games as simple as possible. A complété arcade game is also included in the book to show them in action. Chapter headings include: •Your first machine code program e Passing parameters to and from machine code · Simple arithmetic · Stacking and jumping · Logical operators, and manipulating bits · The Amstrad's screen and ROM routines · The Games Writing Package e Z80 Op Codes Designed to work with the 464, 664 and 6128 models, this book will get you into the driver's seat in a matter of hours. You can now command the wizardry of machine code magic for yourself.

ISBN 0-907563-91-0 / 0907563910